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A251497
Number of (n+1) X (6+1) 0..3 arrays with every 2 X 2 subblock summing to 4 5 6 7 or 8.
1
51474508, 195351371872, 761894242946484, 2987170312757672908, 11724359174003264630400, 46027674099447532469280380, 180705599017375127320670453920, 709462514504983014544616127594356
OFFSET
1,1
COMMENTS
Column 6 of A251499.
LINKS
EXAMPLE
Some solutions for n=1
..0..0..2..0..3..3..1....0..0..2..0..2..0..0....0..0..0..2..2..1..0
..2..2..2..0..2..0..2....3..2..2..0..2..1..3....2..2..2..3..1..3..1
CROSSREFS
Cf. A251499.
Sequence in context: A068242 A038829 A038818 * A015392 A211237 A105381
KEYWORD
nonn
AUTHOR
R. H. Hardin, Dec 03 2014
STATUS
approved